Laser cutting machine cold water machine alarm solution

Laser cutting machine chiller alarm is a common fault that needs emergency treatment, which is directly related to laser life and cutting quality. The following is a systematic troubleshooting process and solution, which is executed in priority order:

Emergency treatment steps (stop response within 5 minutes)

1. Immediately suspend cutting

Cutting laser power supply (to prevent high temperature damage to optical components).

2. View the alarm code

Refer to the equipment manual (see the following table for common code analysis).

3. Check water level and water leakage

Open the water tank cover to observe the water level (below the Min line, rehydration is required).

Check the interface/pump body for leakage along the pipeline (focus on metal joints).

Hazardous operation is prohibited: it is forbidden to open the water tank without pressure relief! It is strictly forbidden to inject tap water directly into the laser pipeline!

High Frequency Alarm Depth Processing Scheme

Critical component maintenance specification (prevent 90% failure)

1. Water Quality Management

Deionized water + antifreeze (ratio 6:4) must be used, and the conductivity (<20 μS/cm) must be checked monthly.

Lesson case: tap water used in a factory causes scaling inside the laser, and the maintenance cost is 120000 yuan.

2. Cleaning of condenser

Clean dust with fin comb every week (dust environment needs to be equipped with dust net).

3. Water pump maintenance

Disassemble and inspect the ceramic shaft core every quarter (replace the crack immediately), and add lubricating silicone grease.

Environment and Configuration Optimization

Must be sent for repair (self-study is risky)

Contact the after-sales service immediately if the following problems occur:

1. Abnormal vibration or oil injection of compressor

2. Evaporator frosting (refrigerant leakage sign)

3. Control panel chip burned (burnt smell)

Preparation before sending for repair: shooting fault video + recording alarm frequency can shorten diagnosis time by 50%.

Daily Maintenance Checklist (Daily/Weekly/Monthly)

Ultimate suggestion: install an internet of things detection module (cost about 1500 yuan) in the power supply of the chiller, and the mobile phone can receive the temperature/flow abnormal warning in real time, which can reduce the loss of sudden shutdown by 80%. If the above steps still cannot be solved, please provide the specific alarm code and equipment model. I will customize the repair plan for you.